YASKAWA Z1000U Technical Manual page 183

n Z1-34: Loss of Load Drive Time
While in Drive mode, the Loss of Load detection conditions must be met for the length of time entered here before detecting
a loss of load.
No.
Z1-34
n Z1-35: Loss of Load Bypass Output Current
The motor current must be equal to or less than this value to detect a loss of load.
No.
Z1-35
n Z1-36: Loss of Load Bypass Time
While in Bypass mode, the Loss of Load detection conditions must be met for the length of time entered here before detecting
a loss of load.
No.
Z1-36
n Z1-37: Set Time
Changes the LCD display to time setting to set the Real Time Clock.
No.
Z1-37
Setting 0: Normal Display
Setting 1: Displays Time and Date Setting Mode
Setting 2: Reset Time
n Z1-38: HOA Source Select
No.
Z1-38
Setting 0: Operator
The HOA keypad controls the HAND/OFF/AUTO commands.
Setting 1: Digital Inputs
The H1-oo multi-function digital input parameters control the HAND/OFF/AUTO commands.
Setting 2: Serial Communications
The serial communications protocol selected in parameter Z3-01 control the HAND/OFF/AUTO commands.
n Z1-39: Drive/Bypass Source Select
No.
Z1-39
Setting 0: Operator
The HOA keypad selects the Drive or Bypass as the source.
Setting 1: Digital Inputs
The H1-oo multi-function digital input parameters select the Drive or Bypass as the source.
Setting 2: Serial Communications
The serial communications protocol selected in parameter Z3-01 selects the Drive or Bypass as the source.
n Z1-40: Auto Transfer Wait Time
Sets the length of time that the bypass controller will wait before switching to bypass when Auto Transfer is enabled and a
drive fault is detected.
YASKAWA SIEP YAIZ1D 01C Z1000U HVAC MATRIX Drive Bypass Technical Manual
Name
Loss of Load Drive Time
Name
Loss of Load Bypass Output Current
Name
Loss of Load Bypass Time
Name
Set Time
Name
HOA Source Select
Name
Drive/Bypass Source Select
5.14 Z: Bypass Parameters
Setting Range
0.0 to 300.0 s
Setting Range
0.0 to 999.9
Setting Range
0.0 to 300.0
Setting Range
0 to 2
Setting Range
0 to 2
Setting Range
0 to 2
Default
1.0 s
Default
0.0 A
Default
1.0 s
Default
0
Default
0
5
Default
0
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